Railway rail mounting with tie shield



" T. w. SAUL 2,553,010

RAILWAY 'RAIL uoun'rmc WITH m: snxsw May 15, 1951 Filed Sept. 29, 1949'Patented May 15, 1951 UNITED STATES PATENT OFFICE- RAILWAY RAIL MOUNTINGWITH TIE SHIELD Tom W. Saul, Tucson, Ariz.

Application September 29, 1949, Serial No. 118,617

4 Claims.

My present invention relates to a railway rail mounting, andparticularly to such a structure having means to facilitate the mountingof railway rails upon ties, or other similar bed.

It is well known in railroad construction that the rails, particularlywhen carrying the moving load of locomotives, cars, trains, or vehiclesin general, impart loads, stresses, strains, forces, or deflections uponthe plates on which the rails are supported causing rocking and crawlingof the plates upon or over the ties, or other similar bed. There ispresent also a clatter and slap of the tie plates due to the vibrationof the rails and due to the impact of the rolling loads which causespounding of the rails upon the tie plates.

One of the principal objects of this invention is to provide means, inthe form of a railway rail mounting, for uniformly applying thetransmitted loadon the rails to the rail supporting areas of the ties,or similar bed, by the adjustment or accommodation of rail cushioningmaterial to the irregularities of such supporting areas.

Another important object of this invention is to provide a railway railmounting having means comprising a tie shield in the form of arelatively flexible, resilient, cushion designed to be placed betweenthe railway tie, or similar bed, and the rail tie plate on which issupported a railway rail, normally subjected to manifold stresses,strains, and forces, and consequent movements, to minimize abrasion andcrushing of the tie, or other bed by the tie plate.

An important object also of this invention is to provide a rail mountingof this class having such a tie shield in the form of a resilientcushion for supporting a rail tie plate on a tie, or similar base, inwhich the tie shield or cushion comprises a relatively flexible,resilient, cushioning material having embedded therein a relativelyflexible, resilient, metallic reinforcing member which is positionedimmediately adjacent the underside of the tie plate and affordssubstantially a metal-to-metal contact with and support for the plate,thereby relatively rigidly supporting the plate on the tie shield andyieldably supporting the shield on the tie, or the like, for the purposespecified.

A further important object of this invention 7 is to provide a tieshield comprising a relatively flexible, resilient, and slightly pliablecushioning material in which is embedded a perforate, flexible, andresilient metallic reinforcing member having a multiplicity of spacedcavities, voids,

or dams, in which the normally expansible and and extensible material isconfined or restrained and thereby prevented from being laterallydisplaced when direct or component vertical stress or load is appliedon'or to the rail and plate.

With these and other objects in view, as will appear hereinafter, I havedevised a railway rail mounting having certain novel features ofconstruction, combination, and arrangement of parts and portions, aswill be hereinafter described in detail, and particularly set forth inthe appended claims, reference being had to the accompanying drawingsand to the characters of reference thereon, which form a part of thisapplication, in which:

Fig. 1 is a fragmentary side elevational view of a conventional railroadtie with a rail, shown in section, supported thereon, the mounting ofthe rail embodying my invention, the section being taken through Il ofFig. 2;

Fig. 2 is a fragmentary plan view thereof, portions being broken awayand in section to facilitate the illustration; and

Fig. 3 is an enlarged fragmentary sectional view thereof, taken through3-3 of Fig. 2, showing particularly the construction of my tie shield,embodying my invention, for supporting a tie plate on a tie.

The illustration shown in the drawings, as embodying my invention, showsa conventional railway rail i supported on a conventional railway tie 2.The term tie, as employedherein, is an inclusive term and applies toother means providing a similar rail support or bed.

In conventional railroad construction, the lower flange I of the rail issupported on a heavy metallic tie plate 3 which rests upon the tie, thebase flange l being located between spaced flanges 3 of the tie plate.The flange of the rail is secured with the tie plate to the tie by theconventional railroad spikes 4, the spikes bein shown as extendingthrough holes in the tie plate.

In my railway rail mounting, I provide atie shield 5 which, inthickness, is more or less the same as the tie plate, in width it isapproximately that of the tie, and in length as long or longer than thetie plate, thereby affording maximum distribution, to or over thesurface of the tie, of the loads transmitted to the tie plate.

The tie shield, as here shown, may be secured to the tie with the samespikes 4 which secure the rail and tie plate in position.

The tie shield provides substantially a (Bushion for the tie plate uponthe tie, and the whole thereof is relatively flexible and resilient in,primarily, a vertical direction. It yields readily vertically inaccommodating the shield to any unevenness in the upper surface of thetie, and also provides the desired cushioning efiect in a verticaldirection due to the varying loads upon the rail.

The shield comprises a body 5 of relatively flexible resilientcushioning material which is slightly pliable. It consists preferably ofan asphaltic material, with or without added fibrous material, or othermaterial having similar properties of flexibility, resiliency, or thelike. Within the body or the material 5 is embedded a reinforcing 5which is a relatively flexible, resilient metallic member. This member 5is shown as being in the form of heavy wire mesh.

Although the tie shield has been described in such a manner that it maybe secured to the tie bythe spikes 4, it will be observed that it may beadditionally or independently secured to the tie by staples, nails,spikes, or other means (the means not being shown), to prevent itsmovement with relation to the tie as the tie plate rocks, crawls,chatters, and slaps, on and over the upper surfaces of the metallicmember of the shield.

One of the important characteristics of this flexible, resilientmetallic member is that it has a multiplicity of spaced interstices,cavities, voids, or dams, which confine and restrain the asphalticmaterial, or material described, so that it is prevented from beinglaterally displaced, to any appreciable extent, when a direct orcomponent vertical stress or load is applied on Or to the rail and theplate. When it is so confined or restrained it provides the desiredcushioning effect, in a vertical direction, for the plate upon the tie.

The flexible and resilient metallic member or wire mesh 5* is soembedded within the asphaltic material 5*, or other material described,that the upper portion of the metallic member 5 is in juxtaposition orsubstantially engages the underside of the tie plate, as best shown inFig. 2, so that there appears between these members a substantial andpositive metal-to-metal contact. In this manner, the load issubstantially directly imparted to the metallic member 5'.

The asphaltic material 5 or other material described, is'considerablythicker at the under side of the member 5 and for this reason it is morereadily forced or impregnated into the wood of the tie and permits thematerial of the tie shield to conform more readily to any irregularitiesin the upper surface of the tie.

The tie shield 5 may be made by making the metallic member 5* in thedesired shape and then filling the interstices, cavities, voids, orother contiguous portions, of the metallic member 5 and coating it tothe desired thickness by dipping, pressing, or rolling into or over itthe flexible, resilient cushioning material in Lil such a manner as tosecure a filling of the spaced interstices, cavities, voids, or dams, ofthe metallic member 5 and the underside coating thereof, and a securebonding between the metallic member 5 and the flexible, resilientcushioning material. This is the preferable method of manufacturing thesame if the member 5 is made of Wire mesh or netting.

I wish it to be understood that I do not desire to be limited to theexact details of construction shown and described, for obviousmodifications will occur to a person skilled in the art. It is alsounderstood that the specific terms employed in the claims include thebroad definition applied in the specification.

I claim:

1. A railway rail mounting, comprising a tie, a rail tie plate forsupporting a rail on the tie, and a cushioning tie shield interposedbetween the tie and the tie plat for supporting the latter on the tie,saidtie shield comprising a relatively flexible and resilient metallicmember hav-' ing a relatively flexible, resilient cushioning material atits upper and lower sides, the upper portion of the metallic memberbeing in substantially metal-to-metal contact with the lower side of theplate.

2. A railway rail mounting, comprising a tie, a rail tie plate forsupporting a rail on the tie, and a cushioning tie shield interposedbetween the tie and the tie plate for supporting the latter on the tie,said tie shield comprising a metallic member enveloped by a relativelyflexible, resilient cushioning material, the upper portion of themetallic member being in substantially metalto-metal contact with thelower side of the plate.

3. A railway rail mounting, comprising a tie, a rail tie plate forsupporting av rail on the tie, and a cushioning tie shield interposedbetween the tie and the tie plate for supporting the latter on the tie,said tie shield comprising a metallic wire mesh member having arelatively flexible, resilient cushioning material at its upper andlower sides, the upper portion of the metallic member being insubstantially metal-to-metal contact with the lower side of the plate.at

4. A tie shield for supporting a tie plateupon a tie, comprising arelatively flexible, resilient substantially non-flowable cushioningmaterial having embedded therein a relatively flexible and resilientmetallic wire mesh reinforcing member provided with a multiplicity ofspaced cavities in which said material is restrained and adapted to becompressed when positioned between'the tie plate and tie.

TOM ,W. SAUL.

REFERENCES CITED The following references are of record in them flle ofthis patent;

UNITED STATES Pl t'ITEFN'I'S

